JPH0659002B2 - Antenna duplexer - Google Patents
Antenna duplexerInfo
- Publication number
- JPH0659002B2 JPH0659002B2 JP60073202A JP7320285A JPH0659002B2 JP H0659002 B2 JPH0659002 B2 JP H0659002B2 JP 60073202 A JP60073202 A JP 60073202A JP 7320285 A JP7320285 A JP 7320285A JP H0659002 B2 JPH0659002 B2 JP H0659002B2
- Authority
- JP
- Japan
- Prior art keywords
- dielectric filter
- terminal
- circulator
- metal case
- antenna duplexer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Transceivers (AREA)
Description
【発明の詳細な説明】 ＜産業上の利用分野＞ 本発明は、例えば、自動車電話、携帯電話または可搬形
マイクロ波装置等に使用されるアンテナ共用器に関し、
同一の金属ケース内で、サーキュレータを間に挟み、そ
の両側に前記受信用誘電体フィルタ及び前記送信用誘電
体フィルタを配置することにより、小型化、高性能化及
びコストダウンを図るようにしたものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to an antenna duplexer used in, for example, a car phone, a mobile phone, a portable microwave device, or the like,
A circulator is sandwiched in the same metal case, and the receiving dielectric filter and the transmitting dielectric filter are arranged on both sides of the circulator to achieve downsizing, high performance, and cost reduction. Is.
＜従来の技術＞ この種アンテナ共用器は、例えば第７図に示すように、
サーキュレータ１と、受信用誘電体フィルタ２と、送信
用誘電体フィルタ３とを備えて構成されている。<Prior Art> This type of antenna duplexer is, for example, as shown in FIG.
A circulator 1, a reception dielectric filter 2, and a transmission dielectric filter 3 are provided.
サーキュレータ１には、第１の端子１a 、第２の端子１
b 及び第３の端子１c が備えられていて、第１の端子１
a にアンテナ４を、２の端子１b に受信用誘電体フィル
タ２を、更に、第３の端子１c に送信用誘電体フィルタ
３をそれぞれ接続してある。第１の端子１a 〜第３の端
子１c は、インピーダンス調整回路101 〜103 を通し
て、非可逆回路素子104 にそれぞれ接続されている。The circulator 1 includes a first terminal 1a and a second terminal 1a.
b and the third terminal 1c are provided, and the first terminal 1
The antenna 4 is connected to a, the receiving dielectric filter 2 is connected to the second terminal 1b, and the transmitting dielectric filter 3 is further connected to the third terminal 1c. The first terminal 1a to the third terminal 1c are connected to the nonreciprocal circuit element 104 through the impedance adjusting circuits 101 to 103, respectively.
受信用誘電体フィルタ２は、結合用コンデンサＣo1によ
ってサーキュレータ１の第２の端子１b に接続すると共
に、必要とする特性に応じて任意数備えられる誘電体共
振器２l 〜２n を、結合用コンデンサＣ2l〜Ｃ2nによっ
て順次接続して形成してあり、出力端子２a を通して、
図示しない受信器に接続するようになっている。The receiving dielectric filter 2 is connected to the second terminal 1b of the circulator 1 by a coupling capacitor Co1 and is provided with an arbitrary number of dielectric resonators 2l to 2n according to the required characteristics and a coupling capacitor C2l. To C2n, which are sequentially connected to each other, through the output terminal 2a,
It is designed to be connected to a receiver (not shown).
次に送信用誘電体フィルタ３も、受信用誘電体フィルタ
２と同様に、結合用コンデンサＣo2によってサーキュレ
ータ１の第３の端子ｃc に接続すると共に、必要とする
特性に応じて任意数備えられる誘電体共振器３l 〜３n
を、結合用コンデンサＣ3l〜Ｃ3nによって順次接続して
形成してあり、出力端子３ａを通して、図示しない送信
器に接続するようになっている。Similarly to the receiving dielectric filter 2, the transmitting dielectric filter 3 is connected to the third terminal cc of the circulator 1 by the coupling capacitor Co2, and an arbitrary number of dielectrics are provided according to the required characteristics. Body resonator 3l-3n
Are sequentially connected by coupling capacitors C3l to C3n, and are connected to a transmitter (not shown) through the output terminal 3a.
アンテナ４によって受信された受信信号は、サーキュレ
ータ１を矢印ａ方向に回り、第２の端子１b から受信用
誘電体フィルタ２に入り、送信用誘電体フィルタ３側に
入ることがない。また、送信器から送信用誘電体フィル
タ３を通してサーキュレータ２の第３の端子１c に与え
られた送信信号は、サーキュレータ１を矢印ａ方向に回
って第１の端子１a に現われ、アンテナ４に供給され
る。従って、送受信間での相互干渉、反射等を起すこと
なく、効率良くマイクロ波送受信を行うことができる。The received signal received by the antenna 4 goes around the circulator 1 in the direction of the arrow a, enters the receiving dielectric filter 2 from the second terminal 1b, and does not enter the transmitting dielectric filter 3 side. Further, the transmission signal given from the transmitter to the third terminal 1c of the circulator 2 through the transmitting dielectric filter 3 appears around the circulator 1 in the direction of the arrow a at the first terminal 1a and is supplied to the antenna 4. It Therefore, microwave transmission / reception can be efficiently performed without causing mutual interference, reflection, etc. between transmission / reception.
第７図に示すアンテナ共用器を実現する場合、従来は第
８図に示すように、サーキュレータ１、受信用誘電体フ
ィルタ２及び送信用誘電体フィルタ３を、互いに独立し
たケース内収納構造の組立体とし、これらをコネクタ或
いはケーブル等の結合具５によって接続して組立てるの
が一般的であった。In the case of realizing the antenna duplexer shown in FIG. 7, conventionally, as shown in FIG. 8, the circulator 1, the receiving dielectric filter 2 and the transmitting dielectric filter 3 are assembled in a case in which they are housed separately from each other. It is a general practice to form a three-dimensional structure and to assemble them by connecting them with a connector 5 such as a connector or a cable.
＜発明が解決しようとする問題点＞ 上述のように、従来は、サーキュレータ１、受信用誘電
体フィルタ２及び送信用誘電体フィルタ３を、互いに独
立するケース内収納構造の組立体とし、これらを結合具
５によって接続して組立てていたため、全体形状が大型
化し、軽量小型化の要求の強い自動車電話、携帯電話等
の用途に適応できなくなっていた。また、互いに独立す
るケース組立体として製造し、組立てる必要があるため
コスト高になること、接続部分での反射等の影響を受け
易くなり、性能低下が懸念されること等の問題点もあっ
た。<Problems to be Solved by the Invention> As described above, conventionally, the circulator 1, the receiving dielectric filter 2, and the transmitting dielectric filter 3 are formed as an assembly of an in-case storage structure that is independent of each other, and these are Since the components are connected and assembled by the coupling tool 5, the overall shape becomes large, and it cannot be applied to applications such as car phones and mobile phones, which are strongly demanded to be lightweight and compact. In addition, since it is necessary to manufacture and assemble the case assemblies independent of each other, there is a problem that the cost becomes high and the performance is apt to be affected by the reflection at the connection portion and the performance may be deteriorated. .
＜問題点を解決するための手段＞ 上述する従来からの問題点を解決するため、本発明に係
るアンテナ共用器は、金属ケースと、受信用誘電体フィ
ルタと、送信用誘電体フィルタと、サーキュレータとを
含んでおり、 前記金属ケースは、一面側のみを開口させた内部空間を
有して直方体状に形成されており、 前記受信用誘電体フィルタ、前記送信用誘電体フィルタ
及び前記サーキュレータは、前記金属ケースの前記内部
空間の開口面に長さ方向及び幅方向を仮想したとき、長
さ方向の中間部に前記サーキュレータが位置し、その両
側に前記受信用誘電体フィルタ及び前記送信用誘電体フ
ィルタが位置する関係で、前記金属ケースの前記内部空
間内に配置されており、 前記サーキュレータは、アンテナ接続用として一側面に
設けられた第１の端子と、前記受信用誘電体フィルタ用
として前記一側面と交叉する両側面のうちの一側面に設
けられた第２の端子と、前記送信用誘電体フィルタ用と
して前記両側面の他側面に設けられた第３の端子とを含
み、前記第１の端子が前記金属ケースの幅方向の一側面
から外部に導出され、前記第２の端子が前記受信用誘電
体フィルタ側に位置し、前記第３の端子が前記送信用誘
電体フィルタ側に位置していること を特徴とする。<Means for Solving Problems> In order to solve the above-mentioned conventional problems, an antenna duplexer according to the present invention includes a metal case, a receiving dielectric filter, a transmitting dielectric filter, and a circulator. And, the metal case is formed in a rectangular parallelepiped shape having an internal space in which only one surface side is opened, the reception dielectric filter, the transmission dielectric filter and the circulator, When the length direction and the width direction are hypothesized on the opening surface of the internal space of the metal case, the circulator is located at an intermediate portion in the length direction, and the reception dielectric filter and the transmission dielectric are provided on both sides thereof. The filter is located in the internal space of the metal case in a positional relationship, and the circulator has a first end provided on one side surface for antenna connection. A second terminal provided on one side surface of the both side surfaces intersecting with the one side surface for the reception dielectric filter, and provided on the other side surface of the both side surfaces for the transmission dielectric filter. The third terminal is provided, the first terminal is led out from one side surface in the width direction of the metal case, the second terminal is located on the receiving dielectric filter side, The terminal 3 is located on the transmission dielectric filter side.
＜作用＞ サーキュレータ、受信用誘電体フィルタ及び送信用誘電
体フィルタが、同一の金属ケース内に収納さてて一部品
化されるので、従来と異なって、別々のケース組立体と
する必要がなく、全体形状が小型化されると同時に軽量
化され、コストが安価になり、更に反射等の影響を受け
難く、高性能のアンテナ共用器が得られる。<Operation> Since the circulator, the receiving dielectric filter, and the transmitting dielectric filter are housed in the same metal case and integrated into one component, there is no need to form a separate case assembly unlike the conventional case. It is possible to obtain a high-performance antenna duplexer in which the overall shape is reduced in size, weight is reduced at the same time, cost is reduced, and further, it is not easily affected by reflection or the like.
しかも、サーキュレータを間に挟み、その両側に受信用
誘電体フィルタ及び送信用誘電体フィルタを配置してあ
るので、電気回路的に表現される形い近い配置構造とな
り、電気的接続処理作業が容易になると同時に、性能的
にも優れたものとなる。In addition, since the circulator is sandwiched between and the receiving dielectric filter and the transmitting dielectric filter are arranged on both sides of the circulator, the arrangement is similar to that of an electrical circuit, and the electrical connection processing work is easy. At the same time, the performance will be excellent.
特に、サーキュレータは、アンテナ接続用として一側面
に設けられた第１の端子と、受信用誘電体フィルタ用と
して一側面と交叉する両側面のうちの一側面に設けられ
た第２の端子と、送信用誘電体フィルタ用として両側面
の他側面に設けられた第３の端子とを含み、第１の端子
が金属ケースの幅方向の一側面から外部に導出され、第
２の端子が受信用誘電体フィルタ側に位置し、第３の端
子が送信用誘電体フィルタ側に位置している構成では、
サーキュレータの第１の端子、第２の端子及び第３の端
子を、最短距離で、アンテナ、受信用誘電体フィルタ及
び送信用誘電体フィルタに導くことができ、高周波特性
の向上など、性能的に一層優れたものとなる。In particular, the circulator includes a first terminal provided on one side surface for antenna connection, and a second terminal provided on one side surface of both side surfaces crossing the one side surface for a dielectric filter for reception. A third terminal provided on the other side surface for both sides of the dielectric filter for transmission, the first terminal is led out from one side surface in the width direction of the metal case, and the second terminal is for reception. In the configuration in which it is located on the dielectric filter side and the third terminal is located on the transmission dielectric filter side,
The first terminal, the second terminal and the third terminal of the circulator can be led to the antenna, the dielectric filter for reception and the dielectric filter for transmission at the shortest distance, and the high frequency characteristics are improved, and the performance is improved. It will be even better.
＜実施例＞ 第１図は本発明に係るアンテナ共用器の分解斜視図、第
２図は同じく蓋を取除いた状態での正面図、第３図は第
２図Ａ１−Ａ１線上における部分断面図である。６は、
アルミニュウム等の金属材料を用いて形成された金属ケ
ース、７は同様の金属材料によって形成された蓋、８は
蓋７を金属ケース６に固定するネジである。<Embodiment> FIG. 1 is an exploded perspective view of an antenna duplexer according to the present invention, FIG. 2 is a front view with the lid removed, and FIG. 3 is a line A 1 -A 1 in FIG. FIG. 6 is
A metal case made of a metal material such as aluminum, 7 is a lid made of the same metal material, and 8 is a screw for fixing the lid 7 to the metal case 6.
金属ケース６は、高さｈ１、幅ｗ１及び長さｌ１の長方
形状の内部空間６１を有し、底面６２と対向する高さ方
向の一面側のみを開口させ、この開口面を蓋７で閉塞す
る構造となっている。サーキュレータ１、受信用誘電体
フィルタ２及び送信用誘電体フィルタ３の配置に当って
は、内部空間６１の開口部を通し、底板６２の内面上の
長さｌ１方向の略中央部にサーキュレータ１を配置する
と共に、その両側に受信用誘電体フィルタ２及び送信用
フィルタ３を配置する。The metal case 6 has a rectangular internal space 61 having a height h 1 , a width w 1, and a length l 1 , and only one surface in the height direction facing the bottom surface 62 is opened, and the opening surface is covered. It is closed by 7. When arranging the circulator 1, the receiving dielectric filter 2, and the transmitting dielectric filter 3, the circulator 1 is passed through the opening of the internal space 61 and is provided at a substantially central portion on the inner surface of the bottom plate 62 in the length l 1 direction. And the dielectric filter 2 for reception and the filter 3 for transmission are arranged on both sides thereof.
サーキュレータ１は、この実施例では、非可逆回路素
子、インピーダンス調整回路等の構成要素を予めケース
に収納したものを使用しているが、ケース収納構造とせ
ずに、構成要素を直接に金属ケース６内に組付ける構造
であってもよい。第５図はその実施例を示し、金属ケー
ス６の底面６２の内面上に、間隔ｄ１をおいて、幅ｗ１
方向に延びる仕切板６３及び６４を形成すると共に、こ
の仕切板６３、６４によって囲まれた空間内に、非可逆
回路素子104 と、この非可逆回路素子104 を厚み方向の
両側から挟むマグネット９、１０とを配置した構造とな
っている。非可逆回路素子104 は、周知のように、ガー
ネット等の磁性体及びコンデンサなどによって形成され
る。In this embodiment, the circulator 1 uses components such as a non-reciprocal circuit device and an impedance adjusting circuit that are housed in a case in advance. However, the components are directly formed in the metal case 6 without a case housing structure. It may be a structure to be assembled inside. FIG. 5 shows an embodiment thereof, in which the width w 1 is provided on the inner surface of the bottom surface 62 of the metal case 6 with a space d 1 therebetween.
The partition plates 63 and 64 extending in the direction, and in the space surrounded by the partition plates 63 and 64, the nonreciprocal circuit element 104 and the magnet 9 sandwiching the nonreciprocal circuit element 104 from both sides in the thickness direction, 10 and 10 are arranged. As is well known, the non-reciprocal circuit element 104 is formed of a magnetic material such as garnet and a capacitor.
受信用誘電体フィルタ２及び送信用誘電体フィルタ３
は、円筒状の誘電体共振器（２１〜２４）、（３１〜３
４）を、軸方向が内部空間６１の幅ｗ１方向に一致する
ようにして、長さｌ１方向に並べて配置してある。誘電
体共振器（２１〜２４）、（３１〜３４）は、第４図に
示すように、中心部に貫通孔２b 、３b を有して円筒状
に形成された誘電体磁器素体２c 、３c の外周面及び貫
通孔２b 、３b に、連続する導電膜２d 、３d を形成し
た構造となっている。Receiving dielectric filter 2 and transmitting dielectric filter 3
Are cylindrical dielectric resonators (21 to 24) and (31 to 3).
4) are arranged side by side in the length l 1 direction such that the axial direction matches the width w 1 direction of the internal space 61. As shown in FIG. 4, the dielectric resonators (21 to 24) and (31 to 34) have the through holes 2b and 3b in the center thereof and are formed into a cylindrical dielectric ceramic body 2c. A continuous conductive film 2d, 3d is formed on the outer peripheral surface of 3c and the through holes 2b, 3b.
また、誘電体共振器（２１〜２４）、（３１〜３４）の
上方には、誘電体磁器板１１、１２が配置してあって、
この誘電体磁器基板１１、１２の表面に電極110 〜115
、120 〜125 を形成してある。Further, the dielectric ceramic plates 11 and 12 are arranged above the dielectric resonators (21 to 24) and (31 to 34),
The electrodes 110 to 115 are formed on the surfaces of the dielectric ceramic substrates 11 and 12.
, 120-125 are formed.
そして、誘電体共振器（２１〜２４）、（３１〜３４）
の導電層２d 、３d と、電極111 〜114 、121 〜124 と
を、リード線131 〜134 、141 〜144 によってそれぞれ
導通接続させ、サーキュレータ１の第２の端子１b と誘
電体磁器基板１１上の電極110 、第３の端子１c と誘電
体磁器基板１２上の電極120 とをリード線１５、１６に
よってそれぞれ導通接続させ、更に、誘電体磁器基板１
１上の電極115 と端子２a とをリード線１７によって、
また、誘電体磁器基板１２上の電極125 と端子３a とを
リード線１８によってそれぞれ導通接続させてある。端
子２a と端子３a は、長さｌ１方向の両単において対向
する側面板６５、６６にそれぞれ装着されている。Then, the dielectric resonators (21 to 24), (31 to 34)
Of the conductive layers 2d and 3d and the electrodes 111 to 114 and 121 to 124 are electrically connected by the lead wires 131 to 134 and 141 to 144, respectively, and the second terminal 1b of the circulator 1 and the dielectric ceramic substrate 11 are connected. The electrode 110, the third terminal 1c, and the electrode 120 on the dielectric ceramic substrate 12 are electrically connected by the lead wires 15 and 16, respectively.
The electrode 115 on 1 and the terminal 2a are connected by the lead wire 17,
Further, the electrodes 125 on the dielectric ceramic substrate 12 and the terminals 3a are electrically connected by the lead wires 18, respectively. The terminal 2a and the terminal 3a are respectively attached to the side plates 65 and 66 facing each other in both directions in the length l 1 direction.
本発明に係るアンテナ共用器は、第７図で説明したよう
な電気的等価回路図となるが、サーキュレータ１、受信
用誘電体フィルタ２及び送信用誘電体フィルタ３が、同
一の金属ケース６及び蓋７内に収納されて一部品化され
るので、従来と異なって、別々のケース組立体とする必
要がなく、全体形状が小型化されると同時に軽量化さ
れ、コストが安価になり、更に反射等の影響を受け難
く、性能的に優れたものとなる。The antenna duplexer according to the present invention has an electrical equivalent circuit diagram as described in FIG. 7, but the circulator 1, the receiving dielectric filter 2 and the transmitting dielectric filter 3 have the same metal case 6 and Since it is housed in the lid 7 and is made into one component, unlike the conventional case, it is not necessary to form a separate case assembly, and the overall shape is reduced in size and weight, and the cost is reduced. It is not easily affected by reflection, etc., and has excellent performance.
しかも、受信用誘電体フィルタ２及び送信用誘電体フィ
ルタ３は、円筒状の誘電体共振器（２１〜２４）、（３
１〜３４）を、軸方向が内部空間６１の幅ｗ１方向に一
致するようにして、長さｌ１方向に並べて配置してある
から、全体の厚みが、受信用誘電体フィルタ２及び送信
用誘電体フィルタ３を形成する誘電体共振器２１〜２
４、３１〜３４の直径に依存した厚みとなり、著しく薄
型化される。Moreover, the dielectric filter for reception 2 and the dielectric filter for transmission 3 are cylindrical dielectric resonators (21 to 24), (3
1 to 34) are arranged side by side in the length l 1 direction such that the axial direction coincides with the width w 1 direction of the internal space 61, so that the entire thickness is equal to the receiving dielectric filter 2 and the transmitting dielectric filter 2. Dielectric resonators 21 to 2 forming the credit dielectric filter 3
The thickness depends on the diameter of 4, 31 to 34, and the thickness is significantly reduced.
また、サーキュレータ１を間に挟み、その両側に受信用
誘電体フィルタ２及び送信用誘電体フィルタ３を配置し
てあるので、第７図に示した電気回路に近い配置構造と
なり、電気的接続処理作業が容易になる。特に、サーキ
ュレータ１は、アンテナ接続用として一側面に設けられ
た第１の端子１a と、受信用誘電体フィルタ用として一
側面と交叉する両側面のうちの一側面に設けられた第２
の端子１b と、送信用誘電体フィルタ用として両側面の
他側面に設けられた第３の端子１c とを含み、第１の端
子１a が金属ケース６の幅方向の一側面から外部に導出
され、第２の端子１b が受信用誘電体フィルタ側に位置
し、第３の端子１c が送信用誘電体フィルタ側に位置し
ている構成では、サーキュレータの第１の端子１a 、第
２の端子１b 及び第３の端子１c を、最短距離で、アン
テナ、受信用誘電体フィルタ２及び送信用誘電体フィル
タ３に導くことができ、高周波特性の向上など、性能的
に一層優れたものとなる。Further, since the circulator 1 is sandwiched and the receiving dielectric filter 2 and the transmitting dielectric filter 3 are arranged on both sides of the circulator 1, an arrangement structure close to the electric circuit shown in FIG. Work becomes easy. In particular, the circulator 1 is provided with a first terminal 1a provided on one side surface for antenna connection and a second terminal provided on one side surface of the both side surfaces intersecting with the one side surface for a dielectric filter for reception.
1b and a third terminal 1c provided on the other side surface for both sides of the dielectric filter for transmission, and the first terminal 1a is led out from one side surface in the width direction of the metal case 6. , The second terminal 1b is located on the receiving dielectric filter side and the third terminal 1c is located on the transmitting dielectric filter side, the first terminal 1a and the second terminal 1b of the circulator are arranged. Also, the third terminal 1c can be led to the antenna, the receiving dielectric filter 2 and the transmitting dielectric filter 3 in the shortest distance, and the performance is further improved, such as improvement in high frequency characteristics.
第６図は本発明に係るアンテナ共用器の使用状態を示す
図で、本発明に係るアンテナ共用器Ａの金属ケース６を
送信機器の外箱Ｂに装着した構造となっている。本発明
に係るアンテナ共用器Ａは、受信用誘電体フィルタ２、
送信用誘電体フィルタ３及び前記サーキュレータ１を同
一の金属ケース６内に配置して一部品化してあるので、
このような取付け構造をとることが可能である。FIG. 6 is a view showing a usage state of the antenna duplexer according to the present invention, which has a structure in which the metal case 6 of the antenna duplexer A according to the present invention is attached to the outer box B of the transmitting device. The antenna duplexer A according to the present invention includes a receiving dielectric filter 2,
Since the transmitting dielectric filter 3 and the circulator 1 are arranged in the same metal case 6 as one component,
It is possible to adopt such a mounting structure.
＜発明の効果＞ 以上述べたように、本発明によれば、次のような効果を
得ることができる。<Effects of the Invention> As described above, according to the present invention, the following effects can be obtained.
（ａ）サーキュレータ、受信用誘電体フィルタ及び送信
用誘電体フィルタが、同一の金属ケース内に収納されて
一部品化されるので、従来と異なって、別々のケース組
立体とする必要がなく、全体形状が小型化されると同時
に軽量化され、コストが安価になり、更に反射等の影響
を受け難く、高性能のアンテナ共用器が得られる。(A) Since the circulator, the receiving dielectric filter and the transmitting dielectric filter are housed in the same metal case and integrated into one component, there is no need to form a separate case assembly unlike the conventional case. It is possible to obtain a high-performance antenna duplexer in which the overall shape is reduced in size, weight is reduced at the same time, cost is reduced, and further, it is not easily affected by reflection or the like.
（ｂ）サーキュレータを間に挟み、その両側に受信用誘
電体フィルタ及び送信用誘電体フィルタを配置してある
ので、電気回路的に表現される形に近い配置構造とな
り、電気的接続処理作業が容易になると共に、性能的に
も優れたものとなる。(B) Since the circulator is sandwiched and the receiving dielectric filter and the transmitting dielectric filter are arranged on both sides of the circulator, the arrangement structure is similar to that represented by an electric circuit, and the electrical connection processing work is performed. It becomes easy and also has excellent performance.
（ｃ）上記に加えて、サーキュレータは、アンテナ接続
用として一側面に設けられた第１の端子と、受信用誘電
体フィルタ用として一側面と交叉する両側面のうちの一
側面に設けられた第２の端子と、送信用誘電体フィルタ
用として両側面の他側面に設けられた第３の端子とを含
み、第１の端子が金属ケースの幅方向の一側面から外部
に導出され、第２の端子が受信用誘電体フィルタ側に位
置し、第３の端子が送信用誘電体フィルタ側に位置して
いる構成では、サーキュレータの第１の端子、第２の端
子及び第３の端子を、最短距離で、アンテナ、受信用誘
電体フィルタ及び送信用誘電体フィルタに導くことがで
き、高周波特性の向上など、性能的に一層優れた優れた
ものとなる。(C) In addition to the above, the circulator is provided on one side face of the first terminal provided on one side face for antenna connection and on both side faces intersecting with the one side face for the dielectric filter for reception. A second terminal, and a third terminal provided on the other side surface for both sides of the dielectric filter for transmission, wherein the first terminal is led out from one side surface in the width direction of the metal case to the outside. In the configuration in which the second terminal is located on the receiving dielectric filter side and the third terminal is located on the transmitting dielectric filter side, the first terminal, the second terminal, and the third terminal of the circulator are In the shortest distance, it is possible to lead to the antenna, the receiving dielectric filter and the transmitting dielectric filter, and the performance is further improved and the high frequency characteristics are improved.
第１図は本発明に係るアンテナ共用器の分解斜視図、第
２図は同じく蓋を取除いた状態での正面図、第３図は第
２図Ａ１−Ａ１線上における部分断面図、第４図は受信
用誘電体フィルタ及び送信用誘電体フィルタの要部の構
造を示す斜視図、第５図は本発明に係るアンテナ共用器
の別の実施例における要部の拡大部分断面図、第６図は
本発明に係るアンテナ共用器の使用状態を示す図、第７
図はアンテナ共用器の電気的等価回路図、第８図は従来
のアンテナ共用器の構造を概略的に示す図である。 １……サーキュレータ ２……受信用誘電体フィルタ ３……送信用誘電体フィルタ ４……アンテナ ６……金属ケース ７……蓋FIG. 1 is an exploded perspective view of an antenna duplexer according to the present invention, FIG. 2 is a front view with the lid removed, and FIG. 3 is a partial cross-sectional view taken along the line A 1 -A 1 in FIG. FIG. 4 is a perspective view showing the structure of the main parts of the dielectric filter for reception and the dielectric filter for transmission, and FIG. 5 is an enlarged partial sectional view of the main parts of another embodiment of the antenna duplexer according to the present invention. FIG. 6 is a diagram showing a usage state of the antenna duplexer according to the present invention, and FIG.
FIG. 8 is an electrical equivalent circuit diagram of the antenna duplexer, and FIG. 8 is a diagram schematically showing the structure of the conventional antenna duplexer. 1 ... Circulator 2 ... Receiving dielectric filter 3 ... Transmitting dielectric filter 4 ... Antenna 6 ... Metal case 7 ... Lid
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−157201（ＪＰ，Ａ) 実開 昭58−194550（ＪＰ，Ｕ) 実開 昭60−4003（ＪＰ，Ｕ) 実開 昭59−154904（ＪＰ，Ｕ) 実開 昭58−139703（ＪＰ，Ｕ) 実開 昭59−1250（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-58-157201 (JP, A) real-open Sho-58-194550 (JP, U) real-open Sho-60-4003 (JP, U) real-open Sho-59- 154904 (JP, U) Actual opening Sho 58-139703 (JP, U) Actual opening Sho 59-1250 (JP, U)
Claims (3)
送信用誘電体フィルタと、サーキュレータとを含むアン
テナ共用器であって、 前記金属ケースは、一面側のみを開口させた内部空間を
有して直方体状に形成されており、 前記受信用誘電体フィルタ、前記送信用誘電体フィルタ
及び前記サーキュレータは、前記金属ケースの前記内部
空間の開口面に長さ方向及び幅方向を仮想したとき、長
さ方向の中間部に前記サーキュレータが位置し、その両
側に前記受信用誘電体フィルタ及び前記送信用誘電体フ
ィルタが位置する関係で、前記金属ケースの前記内部空
間内に配置されており、 前記サーキュレータは、アンテナ接続用として一側面に
設けられた第１の端子と、前記受信用誘電体フィルタ用
として前記一側面と交叉する両側面のうちの一側面に設
けられた第２の端子と、前記送信用誘電体フィルタ用と
して前記両側面の他側面に設けられた第３の端子とを含
み、前記第１の端子が前記金属ケースの幅方向の一側面
から外部に導出され、前記第２の端子が前記受信用誘電
体フィルタ側に位置し、前記第３の端子が前記送信用誘
電体フィルタ側に位置していること を特徴とするアンテナ共用器。1. A metal case, a dielectric filter for reception,
An antenna duplexer including a transmission dielectric filter and a circulator, wherein the metal case is formed in a rectangular parallelepiped shape having an internal space having only one surface opened. The dielectric filter for transmission and the circulator have the circulator located at an intermediate portion in the length direction when the length direction and the width direction are virtual on the opening surface of the internal space of the metal case, and both sides thereof are located. The reception dielectric filter and the transmission dielectric filter are located in the internal space of the metal case in a positional relationship, and the circulator is provided on one side surface for antenna connection. A terminal, a second terminal provided on one side surface of both side surfaces intersecting with the one side surface for the reception dielectric filter, and the transmission dielectric filter. And a third terminal provided on the other side surface of each of the both side surfaces for the filter, the first terminal is led out from one side surface in the width direction of the metal case, and the second terminal is the receiving terminal. An antenna duplexer, characterized in that it is located on the dielectric filter side and the third terminal is located on the transmitting dielectric filter side.
誘電体フィルタのそれぞれは、端子の一つを前記金属ケ
ースの長さ方向の相対する側面に装着したことを特徴と
する特許請求の範囲第１項に記載のアンテナ共用器。2. The receiving dielectric filter and the transmitting dielectric filter each have one of the terminals mounted on opposite side surfaces in the length direction of the metal case. The antenna duplexer according to the first item.
けられていることを特徴とする特許請求の範囲第１項ま
たは第２項に記載のアンテナ共用器。3. The antenna duplexer according to claim 1, wherein the metal case is attached to an outer box of a communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60073202A JPH0659002B2 (en) | 1985-04-06 | 1985-04-06 | Antenna duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60073202A JPH0659002B2 (en) | 1985-04-06 | 1985-04-06 | Antenna duplexer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61232701A JPS61232701A (en) | 1986-10-17 |
| JPH0659002B2 true JPH0659002B2 (en) | 1994-08-03 |
Family
ID=13511322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60073202A Expired - Lifetime JPH0659002B2 (en) | 1985-04-06 | 1985-04-06 | Antenna duplexer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0659002B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61202904U (en) * | 1985-06-07 | 1986-12-20 | ||
| SE530361C2 (en) * | 2006-09-14 | 2008-05-13 | Powerwave Technologies Sweden | An RF filter module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57151002U (en) * | 1981-03-18 | 1982-09-22 | ||
| JPS58139703U (en) * | 1982-03-15 | 1983-09-20 | ティーディーケイ株式会社 | Sending/receiving shared device |
| JPS59154904A (en) * | 1983-02-23 | 1984-09-04 | 株式会社 藤木農機製作所 | Deep cultivator |
| JPS604003U (en) * | 1983-06-20 | 1985-01-12 | 松下電器産業株式会社 | antenna sharing device |
-
1985
- 1985-04-06 JP JP60073202A patent/JPH0659002B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61232701A (en) | 1986-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3230353B2 (en) | Antenna duplexer | |
| JPH01198802A (en) | Irreversible circuit element | |
| KR19990067717A (en) | Band elimination dielectric filter, dielectric duplexer and communication device using the same | |
| JPS6257122B2 (en) | ||
| JPH0659002B2 (en) | Antenna duplexer | |
| US6522216B2 (en) | Nonreciprocal circuit device and communication apparatus | |
| JP4345254B2 (en) | Non-reciprocal circuit device and communication device | |
| JP2001094311A (en) | Non-reversible circuit element and communication machine equipment | |
| JP3164029B2 (en) | Non-reciprocal circuit device | |
| JPH0741202Y2 (en) | Dielectric polar filter | |
| JP2589597B2 (en) | Dielectric resonator and band rejection filter using the same | |
| US20020017964A1 (en) | Nonreciprocal circuit device and communication device using same | |
| JP2762332B2 (en) | Multilayer dielectric duplexer | |
| JP2666094B2 (en) | Dielectric band stop filter | |
| JP3368404B2 (en) | Resonators and filters | |
| JP4293118B2 (en) | Non-reciprocal circuit device and communication device | |
| JPH0758511A (en) | Dielectric filter | |
| JP2640606B2 (en) | Planar dielectric resonator and coupling method thereof | |
| JPH0352005Y2 (en) | ||
| JP3296617B2 (en) | Coaxial resonator and dielectric filter using the same | |
| JP2003017904A (en) | Irreversible circuit device and communication unit | |
| JPS594203A (en) | Dielectric filter | |
| JPH03254203A (en) | Dielectric filter and its resonator | |
| JPH0430601A (en) | Dielectric filter | |
| JPS58215101A (en) | Dielectric filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |